Fuzzy screen problem in Nicaragua

Daniel,
That looks like a problem with one of the two column driver ICs.
Those are bonded directly to the glass, and can't be replaced ---
the entire screen should be replaced.
Chalk it up to infant mortality, and let us know if the percentage
of affected units exceeds 0.1%.
Thanks for the well-written problem report,
wad
On Jan 29, 2010, at 11:21 PM, Daniel Drake wrote:
> We've seen a handful of XOs with an interesting problem here.
>> There is a large vertical stripe of fuzzyness on the left side of the
> screen. It seems to be in the same place on every XO that we've seen.
>> It is not always obvious. For example, on the static-white OFW
> background, it is completely invisible. But move into the OFW disk
> block view and you can clearly see the fuzzyness.
>> It seems to be a problem within the display. Moving the affected
> display to a different XO causes the problem to appear there, and
> taking a known-good screen and putting it in the affected XO makes the
> problem go away.
>> Here is a video where you can see the problem clearly:
>>http://dev.laptop.org/~dsd/20100129/fuzzy-screen.mpg (14mb)
>> Is this a known/recognised problem? Any solutions or diagnosis
> available?
>> cheers
> Daniel
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